Question

how do I integrate cos(x+a)/sinx dx

Answer 1

Answer:

Step-by-step explanation:

∫cos x+a dx / sin x

∫cosxcosa-sinxsina  dx/ sin x

∫cot x cos a dx -∫sina dx

cosa∫cot x dx -sina∫dx

-cosacosec^2 x - xsina